It’s already past the half way point and I hadn’t done any crochet projects. That is now fixed. The yarn is more of a blue-green than the photo is showing. This worked up very quickly, and it fits over a cork for the base. I also cheated and didn’t weave in the ends, just hid them up inside.
Instructions for this and 2 other versions here: http://www.1dogwoof.com/2013/12/cork-pine-tree-crochet-patterns.html